Finding the Fourth Proportional to 392,716,389.24, 588,897,312.65 and 112,533,218.09
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Solution
The fourth proportional to 392,716,389.24, 588,897,312.65 and 112,533,218.09 is: 168,749,029.92
Step by Step Solution
- Step 1: Write the proportion equation
392,716,389.24 : 588,897,312.65 = 112,533,218.09 : x - Step 2: Convert to fraction form
392,716,389.24/588,897,312.65 = 112,533,218.09/x - Step 3: Cross multiply
392,716,389.24x = 588,897,312.65 × 112,533,218.09 - Step 4: Simplify right side
392,716,389.24x = 66,270,509,716,494,696 - Step 5: Solve for x
x = 66,270,509,716,494,696/392,716,389.24 - Step 6: Final answer
x = 168,749,029.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.